Data includes total votes submitted by visitors since Dec 12, 2011. For users that answer more than once (yes we know), only their most recent answer is counted in the total results. Total percentages may not add up to exactly 100% as we allow users to submit "grey area" stances that may not be categorized into yes/no stances.

Data based on unique submissions (duplicates or multiple submissions are eliminated) per user using a 30-day moving average to reduce daily variance from traffic sources. Totals may not add up to exactly 100% as we allow users to submit "grey area" stances that may not be categorized into yes/no stances.

Learn more about Stem Cell Research

A stem cell is a specialized cell that has the potential to replace tissues damaged by disease or injury. The use of these cells has been regulated by the U.S. government due to the ethical debate surrounding the use of human embryos (fetal stem cells) in their research and development. See recent stem cell news